1121454056 has 16 divisors (see below), whose sum is σ = 2194149600. Its totient is φ = 536347504.

The previous prime is 1121454029. The next prime is 1121454067. The reversal of 1121454056 is 6504541211.

It is a super-2 number, since 2×1121454056² = 2515318399437702272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3047246 + ... + 3047613.

It is an arithmetic number, because the mean of its divisors is an integer number (137134350).

Almost surely, 2^1121454056 is an apocalyptic number.

It is an amenable number.

1121454056 is a deficient number, since it is larger than the sum of its proper divisors (1072695544).

1121454056 is a wasteful number, since it uses less digits than its factorization.

1121454056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6094888 (or 6094884 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 1121454056 is about 33488.1181316598. The cubic root of 1121454056 is about 1038.9480413335.

Adding to 1121454056 its reverse (6504541211), we get a palindrome (7625995267).

The spelling of 1121454056 in words is "one billion, one hundred twenty-one million, four hundred fifty-four thousand, fifty-six".